Remove warning options not available with gcc < 4. ok eric@

multimedia/oggz/patches/patch-configure

@@ -0,0 +1,24 @@
+$OpenBSD: patch-configure,v 1.1 2011/08/24 15:36:38 naddy Exp $
+
+Remove compiler options not available with gcc < 4.
+
+--- configure.orig	Tue Aug 23 21:52:22 2011
++++ configure	Tue Aug 23 21:52:33 2011
+@@ -11257,7 +11257,7 @@ fi
+ $as_echo_n "checking if $CC allows signed enums... " >&6; }
+ 
+ ac_save_CFLAGS="$CFLAGS"
+-CFLAGS="$CFLAGS -Wall -Wextra -Werror"
++CFLAGS="$CFLAGS -Wall -Werror"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+ 
+@@ -12730,7 +12730,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$
+ # Checks for typedefs, structures, and compiler characteristics.
+ 
+ if test "x$ac_cv_c_compiler_gnu" = xyes ; then
+-  CFLAGS="$CFLAGS -Wall -Wextra -g -std=gnu99 -Wdeclaration-after-statement -Wno-unused"
++  CFLAGS="$CFLAGS -Wall -g -std=gnu99 -Wno-unused"
+ fi
+ 
+